Licensing Exams by Trade Name - Home Link

Texas

Environmental Air - Class A

Apply for the License
State of Texas
Department of Licensing and Regulation (TDLR)

920 Colorado St
Austin, TX  78701
Phone: (512) 463-6599
Exam Provider
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (833) 333-4741
Exam Type
OPEN  BOOK
Exam Content

Please consult the PSI exam bulletin from the button below for more detailed information about subject sub-topics.

Content Areas
(from PSI bulletin)
Sub-topics# of
Questions
Air Distribution618
Basic Refrigeration Components56
Combustion Air6
Controls36
Equipment Requirements412
HVACR Systems and Design312
Piping66
Refrigeration Principles36
Safety6
Service512
Testing412
Laws and Rules6
Ventilation26
Venting26
Total number of test questions:
120
Time allowed (minutes):
230
Books Allowed in the Exam
1.
Uniform Mechanical Code, 2018, IAPMO
Buy at Builders Book
2.
International Mechanical Code, 2018, ICC
Buy at Builders Book
3.
International Fuel Gas Code, 2018, ICC
Buy at Builders Book
4.
Modern Refrigeration and Air Conditioning, 21st Edition, Althous, Turnquist, Bowditch, Bracciano
Buy at Builders Book
5.
ADI Duct Size Calculator, Air Distribution Institute
Buy from Publisher
6.
Code of Federal Regulations, Title 29, Part 1904, Recording and Reporting Occupational Injuries and Illnesses, GPO
Web Page Link
7.
Texas Occupation Code Chapter 1302 - Air Conditioning and Refrigeration Contractors License Law
Web Page Link
8.
Texas Administrative Code Chapter 75 - Air Conditioning and Refrigeration Contractors License Rules
Web Page Link
9.
Manual D: Residential Duct Design,3rd Edition,, ACCA
Buy at Amazon
10.
Manual J: Residential Load Calculations, 8th Edition, ver 2.5, ACCA
Buy at Builders Book
11.
Manual S: Residential Equipment Selection, 2014, ACCA
Buy at Amazon

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